sourcehancode.py

import fontforge as ff

CODE_FONT="source-code-pro/target/OTF/SourceCodePro-Regular.otf"
HAN_FONT="source-han-sans/Regular/SourceHanSansJP-Regular.otf"

c=ff.open(CODE_FONT)
c.selection.select(("ranges", None),0x20,0x7e)
c.selection.invert()
c.clear()
c.cidConvertTo('Adobe', 'Identity', 0)
c.generate("_scpascii.otf")
c.close()

c=ff.open("_scpascii.otf")
c.selection.select(("ranges", None),0x20,0x7e)
c.copy()
c.close()

h=ff.open(HAN_FONT)
h.cidsubfont=h.cidsubfontnames.index('SourceHanSansJP-Regular-Proportional')

h.selection.select(("ranges", None),1,0x5f)
h.paste()

h.cidfullname="Source Han Code JP Regular"
h.cidfamilyname="Source Han Code JP"
h.cidfontname="SourceHanCodeJP-Regular"

h.generate("_scp.otf")
h.close()

from fontTools.ttLib import TTFont

nameIDs={
    "Copyright":         0,
    "Family":            1,
    "SubFamily":         2,
    "UniqueID":          3,
    "Fullname":          4,
    "Version":           5,
    "PostScriptName":    6,
    "Trademark":         7,
    "Manufacturer":      8,
    "Designer":          9,
    "Descriptor":        10,
    "Vendor URL":        11,
    "Designer URL":      12,
    "License":           13,
    "License URL":       14,
    "Preferred Family":  16,
    "Preferred Styles":  17,
    "Compatible Full":   18,
    "Sample Text":       19,
    "CID findfont Name": 20,
    "WWS Family":        21,
    "WWS Subfamily":     22
}

def nameRecodeIsUnicode(n):
    return (n.platformID == 0 or
            (n.platformID == 3 and n.platEncID in [0, 1, 10]))

def setString(names, nameID, string):
    for n in names:
        if n.nameID == nameIDs[nameID]:
            n.string=string
            if nameRecodeIsUnicode(n):
                n.string=n.string.encode("utf-16-be")

def getString(nametable, nameID, platformID, platEncID, langID=None):
    name = nametable.getName(nameID, platformID, platEncID, langID)
    if name is None:
        return None
        if nameRecodeIsUnicode(name):
            return unicode(name.string, "utf-16-be")
        else:
            return name.string

hfont=TTFont(HAN_FONT)
hfont.saveXML("_cmap.ttx", tables=["cmap"])

font=TTFont("_scp.otf")
font.importXML("_cmap.ttx")
name=font['name']
name.names=[ n for n in name.names if n.langID != 0x411]
setString(name.names, 'Family', "Source Han Code JP Regular")
setString(name.names, 'Fullname', "Source Han Code JP Regular")
setString(name.names, 'Preferred Family', "Source Han Code JP")
setString(name.names, 'UniqueID', '1.001;ADBE;SourceHanCodeJP-Regular;ADOBE')
print font['name'].getName(6, 1, 0).string

font.save('SourceHanCodeJP-Regular.otf')